Home / 22,662.74-31,273.70-12,591.81

Finding the Fourth Proportional to 22,662.74, 31,273.70 and 12,591.81

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Solution

The fourth proportional to 22,662.74, 31,273.70 and 12,591.81 is: 17,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.74 : 31,273.70 = 12,591.81 : x
  2. Step 2: Convert to fraction form
    22,662.74/31,273.70 = 12,591.81/x
  3. Step 3: Cross multiply
    22,662.74x = 31,273.70 × 12,591.81
  4. Step 4: Simplify right side
    22,662.74x = 393,792,425.44
  5. Step 5: Solve for x
    x = 393,792,425.44/22,662.74
  6. Step 6: Final answer
    x = 17,376.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.